Retrofit subscriber loop carrier system with improved performanc

Details Retrofit subscriber loop carrier system with improved performanc Retrofit subscriber loop carrier system with improved performanc

1991-10-23

1994-09-13

Dwyer, James L.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379333, H04M 124

Patent

active

053475666

ABSTRACT:
An improved subscriber line carrier (SLC) with enhanced performance for monitoring and remote provisioning. Communication between the new control unit and new channel units (such as universal remote provisionable channel unit) utilizes a back plane read disable bus line (RNDIS). Serial digital signals are modulated within a high level on the read disable bus line for transmission of information between control unit and the new channel units.

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